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B6.7 CM2450 B155B Fault Code: 6648 | SPN: 6780 | FMI: 4Aftertreatment 1 Diesel Particulate Filter Soot Temperature Sensor – Voltage Below Normal or Shorted to Low Source
Overview CODE REASON EFFECT Fault Code: 6648PID: SPN: 6780FMI: 4/4LAMP: AmberSRT: An internal circuit error has been detected by the aftertreatment particulate matter sensor. Possible reduced engine performance. Circuit Description The...
B6.7 CM2450 B155B Fault Code: 6645 | SPN: 5569 | FMI: 3Aftertreatment 1 Diesel Particulate Filter 1 Soot Sensor ECU Internal Temperature 2 Circuit – Voltage Above Normal or Shorted to High Source
Overview CODE REASON EFFECT Fault Code: 6645PID: SPN: 5569FMI: 3/3LAMP: AmberSRT: An internal circuit error has been detected by the aftertreatment particulate matter sensor. Possible reduced engine performance. Circuit Description The...
B6.7 CM2450 B155B Fault Code: 6646 | SPN: 5569 | FMI: 2Aftertreatment 1 Diesel Particulate Filter 1 Soot Sensor ECU Internal Temperature – Data Erratic, Intermittent, or Incorrect
Overview CODE REASON EFFECT Fault Code: 6646PID: SPN: 5569FMI: 2/2LAMP: AmberSRT: Erratic internal temperatures have been detected by the aftertreatment particulate sensor. Possible reduced engine performance. Circuit Description The...
B6.7 CM2450 B155B Fault Code: 6647 | SPN: 6780 | FMI: 3Aftertreatment 1 Diesel Particulate Filter Soot Temperature Sensor – Voltage Above Normal or Shorted to High Source
Overview CODE REASON EFFECT Fault Code: 6647PID: SPN: 6780FMI: 3/3LAMP: AmberSRT: An internal circuit error has been detected by the aftertreatment particulate matter sensor. Possible reduced engine performance. Circuit Description The...
B6.7 CM2450 B155B Fault Code: 6485 | SPN: 4375 | FMI: 2Aftertreatment 1 Diesel Exhaust Fluid Pump Drive Percentage – Data Erratic, Intermittent, or Incorrect
Overview CODE REASON EFFECT Fault Code: 6485PID: SPN: 4375FMI: 2/2LAMP: AmberSRT: The diesel exhaust fluid pressure sensor has reported a reading too high or low for the operating conditions. Possible reduced engine performance. Circuit...
B6.7 CM2450 B155B Fault Code: 6463 | SPN: 3226 | FMI: 21Aftertreatment 1 Outlet NOx Sensor – Data Not Rational – Drifted Low
Overview CODE REASON EFFECT Fault Code: 6463PID: SPN: 3226FMI: 2/21LAMP: NoneSRT: An offset in the outlet NOx sensor reading has been detected. None on performance Circuit Description The aftertreatment outlet NOx (nitrogen oxides) sensor...
B6.7 CM2450 B155B Fault Code: 6461 | SPN: 3216 | FMI: 2Aftertreatment 1 Intake NOx – Data Erratic, Intermittent, or Incorrect
Overview CODE REASON EFFECT Fault Code: 6461PID: SPN: 3216FMI: 2/2LAMP: NoneSRT: An incorrect NOx sensor reading has been detected by the aftertreatment intake NOx sensor. None on performance. Circuit Description The aftertreatment intake...
B6.7 CM2450 B155B Fault Code: 6459 | SPN: 3216 | FMI: 21Aftertreatment 1 Intake NOx Sensor – Data Not Rational – Drifted Low
Overview CODE REASON EFFECT Fault Code: 6459PID: SPN: 3216FMI: 2/21LAMP: NoneSRT: An offset in the intake NOx sensor reading has been detected. None on performance. Circuit Description The aftertreatment intake NOx (nitrogen oxides) sensor...
B6.7 CM2450 B155B Fault Code: 6416 | SPN: 3703 | FMI: 31Aftertreatment Regeneration Inhibited Due to Inhibit Switch – Condition Exists
Overview CODE REASON EFFECT Fault Code: 6416PID: SPN: 3703FMI: 11/31LAMP: NoneSRT: Regeneration of the diesel particulate filter has been prevented due to the permit switch being disabled. May cause frequent aftertreatment regeneration....
B6.7 CM2450 B155B Fault Code: 6266 | SPN: 5862 | FMI: 14Aftertreatment 1 SCR Intermediate Gas Temperature – Special Instructions
Overview CODE REASON EFFECT Fault Code: 6266PID: SPN: 5862FMI: 14/14LAMP: AmberSRT: The aftertreatment SCR intermediate temperature sensor reading is irrational. Possible reduced engine performance. Circuit Description The aftertreatment...
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